19
46-620 B73 & Series 75 Liquid Level Switche
s
6.2
Model B73
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1
2
9
7
8
6
4
5
3
6.2.1 Parts Identification
Item
Description
1
Housing cover
2
Housing base
3
Switch mechanism
4
Jam nuts
5
Lock washer
6
Attraction sleeve
7
Enclosing tube
8
E-tube gasket
9
Chamber assembly
IMPORTANT:
When ordering, please specify:
A. Model and serial numbers or control.
B. Name and/or number of replacement assembly.
Many Model 75 controls are specially tailored to meet customer specifications
and, therefore, may contain special parts. When ordering, always give serial
number of control.
6.2.3 Model B73
Series Type
Bulletin #
Mercury
A, 3
42-683
Anti-vibration mercury
E, 2
42-683
Dry contact
B, C, D
42-683
Hermetically sealed
F
42-683
Hermetically sealed
HS, H1
42-694
Bleed type pneumatic
J
42-685
Non-bleed type pneumatic
K
42-486
6.2.2 Switch and Housing Reference
Model B73-1
Model B73-2 or B73-4
Model B73-3
Housing cover
See
Section 6.2.2, Switch and Housing Reference
Housing base
Switch mechanism
above for switch and housing bulletin furnished.
Attraction sleeve kit
includes items 4, 5, & 6
089-3409-012
089-3410-009
089-3410-011
Enclosing tube
Z32-6325-001
Z32-6325-002
Z32-6325-002
E-tube gasket
012-1301-002
012-1301-002
012-1301-002
Chamber assembly
Available as complete sensing units only with all parts listed
under items 4 through 10 assembled. When ordering, specify
specify model and serial number of control.
